Thomas Kershaw

CIK 1686179 · Chief Technology Officer · last filed 2021-05-19

Thomas Kershaw is a Chief Technology Officer who has filed 27 SEC Form 4 insider transactions across 2 companies since 2016. The most recent filing shows the insider sold $1.1M of MGNI on May 19, 2021. Across all open-market trades the lifetime net is −$11.0M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $8.0M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$8.01M

Companies

2

Total Filings

27

Lifetime Open-Market Net

-$11.04M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
MGNI Chief Technology Officer 473,763 $16.25 $7.70M -$9.52M 7 2021-05-19
RUBI Chief Technology Officer 664,609 $0.47 $310.8K -$1.52M 20 2020-06-05

Recent Filings

27 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2021-05-19 MGNI Sell (S) −41,213 -$1.07M EDGAR
2021-04-07 MGNI Sell (S) −100,000 -$4.05M EDGAR
2021-04-05 MGNI Grant (A) +31,760 $0 EDGAR
2021-02-18 MGNI Mixed -$2.71M EDGAR
2021-02-18 MGNI Mixed −30,393 -$495.6K EDGAR
2020-11-18 MGNI Sell (S) −30,393 -$336.1K EDGAR
2020-08-19 MGNI Mixed -$165.3K EDGAR
2020-06-05 RUBI Mixed -$73.4K EDGAR
2020-06-05 RUBI Sell (S) −52,285 -$274.6K EDGAR
2020-05-20 RUBI Sell (S) −49,915 -$262.4K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.